Before you start the installation of OES 2018 or later, ensure to edit the autoinst.xml file and modify the OES alias name to a meaningful one. Else, the OES alias name will be displayed in some random characters.
<add_on_products config:type="list"> <listentry> <media_url><![CDATA[http://192.168.1.1/install/OES2018/GMC/x86_64]]></media_url> <product>Open_Enterprise_Server</product> <product_dir>/</product_dir> <name>MyOES_name</name> <alias>MyOES_alias</alias> </listentry> </add_on_products>